1 /* 2 * Data structures and definitions for the CAM system. 3 * 4 * Copyright (c) 1997 Justin T. Gibbs. 5 * Copyright (c) 2000 Adaptec Inc. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions, and the following disclaimer, 13 * without modification. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * Alternatively, this software may be distributed under the terms of the 18 * GNU General Public License ("GPL"). 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 24 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/cam.h#15 $ 33 */ 34 35 #ifndef _AIC7XXX_CAM_H 36 #define _AIC7XXX_CAM_H 1 37 38 #include <linux/types.h> 39 40 #define CAM_BUS_WILDCARD ((u_int)~0) 41 #define CAM_TARGET_WILDCARD ((u_int)~0) 42 #define CAM_LUN_WILDCARD ((u_int)~0) 43 44 /* CAM Status field values */ 45 typedef enum { 46 CAM_REQ_INPROG, /* CCB request is in progress */ 47 CAM_REQ_CMP, /* CCB request completed without error */ 48 CAM_REQ_ABORTED, /* CCB request aborted by the host */ 49 CAM_UA_ABORT, /* Unable to abort CCB request */ 50 CAM_REQ_CMP_ERR, /* CCB request completed with an error */ 51 CAM_BUSY, /* CAM subsystem is busy */ 52 CAM_REQ_INVALID, /* CCB request was invalid */ 53 CAM_PATH_INVALID, /* Supplied Path ID is invalid */ 54 CAM_SEL_TIMEOUT, /* Target Selection Timeout */ 55 CAM_CMD_TIMEOUT, /* Command timeout */ 56 CAM_SCSI_STATUS_ERROR, /* SCSI error, look at error code in CCB */ 57 CAM_SCSI_BUS_RESET, /* SCSI Bus Reset Sent/Received */ 58 CAM_UNCOR_PARITY, /* Uncorrectable parity error occurred */ 59 CAM_AUTOSENSE_FAIL, /* Autosense: request sense cmd fail */ 60 CAM_NO_HBA, /* No HBA Detected Error */ 61 CAM_DATA_RUN_ERR, /* Data Overrun error */ 62 CAM_UNEXP_BUSFREE, /* Unexpected Bus Free */ 63 CAM_SEQUENCE_FAIL, /* Protocol Violation */ 64 CAM_CCB_LEN_ERR, /* CCB length supplied is inadequate */ 65 CAM_PROVIDE_FAIL, /* Unable to provide requested capability */ 66 CAM_BDR_SENT, /* A SCSI BDR msg was sent to target */ 67 CAM_REQ_TERMIO, /* CCB request terminated by the host */ 68 CAM_UNREC_HBA_ERROR, /* Unrecoverable Host Bus Adapter Error */ 69 CAM_REQ_TOO_BIG, /* The request was too large for this host */ 70 CAM_UA_TERMIO, /* Unable to terminate I/O CCB request */ 71 CAM_MSG_REJECT_REC, /* Message Reject Received */ 72 CAM_DEV_NOT_THERE, /* SCSI Device Not Installed/there */ 73 CAM_RESRC_UNAVAIL, /* Resource Unavailable */ 74 /* 75 * This request should be requeued to preserve 76 * transaction ordering. This typically occurs 77 * when the SIM recognizes an error that should 78 * freeze the queue and must place additional 79 * requests for the target at the sim level 80 * back into the XPT queue. 81 */ 82 CAM_REQUEUE_REQ, 83 CAM_DEV_QFRZN = 0x40, 84 85 CAM_STATUS_MASK = 0x3F 86 } cam_status; 87 88 /* 89 * Definitions for the asynchronous callback CCB fields. 90 */ 91 typedef enum { 92 AC_GETDEV_CHANGED = 0x800,/* Getdev info might have changed */ 93 AC_INQ_CHANGED = 0x400,/* Inquiry info might have changed */ 94 AC_TRANSFER_NEG = 0x200,/* New transfer settings in effect */ 95 AC_LOST_DEVICE = 0x100,/* A device went away */ 96 AC_FOUND_DEVICE = 0x080,/* A new device was found */ 97 AC_PATH_DEREGISTERED = 0x040,/* A path has de-registered */ 98 AC_PATH_REGISTERED = 0x020,/* A new path has been registered */ 99 AC_SENT_BDR = 0x010,/* A BDR message was sent to target */ 100 AC_SCSI_AEN = 0x008,/* A SCSI AEN has been received */ 101 AC_UNSOL_RESEL = 0x002,/* Unsolicited reselection occurred */ 102 AC_BUS_RESET = 0x001 /* A SCSI bus reset occurred */ 103 } ac_code; 104 105 typedef enum { 106 CAM_DIR_IN = DMA_FROM_DEVICE, 107 CAM_DIR_OUT = DMA_TO_DEVICE, 108 CAM_DIR_NONE = DMA_NONE, 109 } ccb_flags; 110 111 #endif /* _AIC7XXX_CAM_H */ 112